20613327 has 8 divisors (see below), whose sum is σ = 31410816. Its totient is φ = 11779032.

The previous prime is 20613323. The next prime is 20613331. The reversal of 20613327 is 72331602.

It is an interprime number because it is at equal distance from previous prime (20613323) and next prime (20613331).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20613327 - 2² = 20613323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20613297 and 20613306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20613323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 490773 + ... + 490814.

It is an arithmetic number, because the mean of its divisors is an integer number (3926352).

Almost surely, 2^20613327 is an apocalyptic number.

20613327 is a deficient number, since it is larger than the sum of its proper divisors (10797489).

20613327 is an equidigital number, since it uses as much as digits as its factorization.

20613327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981597.

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 20613327 is about 4540.1901942540. The cubic root of 20613327 is about 274.1885811738.

Adding to 20613327 its reverse (72331602), we get a palindrome (92944929).

The spelling of 20613327 in words is "twenty million, six hundred thirteen thousand, three hundred twenty-seven".